Image from huish's 1835 book entitled
com'r ross planting the british standard on the true position of the magnetic pole
in 1831 james clark ross led the first party to reach the north magnetic pole. Illustration in 1835 book by robert huish, facing page 589 https://archive. Org/stream/lastvoyagecapts00unkngoog#page/n612/mode/2up. Date: 1835.
